Задание

Найдите суммы одночленов:

\(\displaystyle 14x^{\,2}y^{\,17}z^{\,30}+24x^{\,2}y^{\,17}z^{\,30}=\) [ ]\(\displaystyle x^{\,2}y^{\,17}z^{\,30},\)
\(\displaystyle 51s^{\,41}t^{\,20}+ (-23)s^{\,41}t^{\,20}=\) [ ]\(\displaystyle s^{\,41}t^{\,20},\)
\(\displaystyle (-175)t^{\,31}u^{\,14}v^{\,2}+41t^{\,31}u^{\,14}v^{\,2}=\) [ ]\(\displaystyle t^{\,31}u^{\,14}v^{\,2},\)
\(\displaystyle (-13)y^{\,17}z^{\,32}+ (-27)y^{\,17}z^{\,32}=\) [ ]\(\displaystyle y^{\,17}z^{\,32}.\)